Home / 106,111.87-146,455.19-60,820.22

Finding the Fourth Proportional to 106,111.87, 146,455.19 and 60,820.22

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Solution

The fourth proportional to 106,111.87, 146,455.19 and 60,820.22 is: 83,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,111.87 : 146,455.19 = 60,820.22 : x
  2. Step 2: Convert to fraction form
    106,111.87/146,455.19 = 60,820.22/x
  3. Step 3: Cross multiply
    106,111.87x = 146,455.19 × 60,820.22
  4. Step 4: Simplify right side
    106,111.87x = 8,907,436,875.94
  5. Step 5: Solve for x
    x = 8,907,436,875.94/106,111.87
  6. Step 6: Final answer
    x = 83,943.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.